IN HEBREW WITH GERMAN SUMMARY. RARE copy of two texts published by the great Jewish scholar, bibliographer and Hebraist Moritz Steinschneider: The first is R. Avraham Ibn Ezra`s reply to three questions on astronomy; the second is a Hebrew translation of Maimonides` Maamar Hayichud, an Aristotelian treatise on the nature of oneness. The texts are prefaced and annotated by the editor. 210x130mm. XIV+40+10 pages. Hardcover. Gilt spine. Cover stained, scratched and bended. Cover corners and edges bumped and rubbed. Spine worn and slightly torn. Pencil and pen inscription on few pages - no damage to text. Stamp on Hebrew title page. Sticker on inner cover. Pages age-stained and yellowing. Else in good condition.